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Geotechnical Consortium (1984): Geotechnical properties of sediments at DSDP Site 75-532 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.810285, Supplement to: Geotechnical Consortium (1984): Geotechnical properties of sediments from Walvis Ridge, Deep Sea Drilling Project, Leg 75, Hole 532A. In: Hay, WW; Sibuet, J-C; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 75, 1109-1127, https://doi.org/10.2973/dsdp.proc.75.141.1984

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Abstract:
During Leg 75 of the Deep Sea Drilling Project (DSDP) from the D/V Glomar Challenger, a 200-m deep hole was drilled at Hole 532A on the eastern side of Walvis Ridge at a water depth of 1331 m. Sediment cores were obtained by means of a hydraulic piston corer. All of the cores from this boring were designated for geotechnical studies and were distributed among eight institutions. The results of laboratory studies on these sediment cores were compiled and analyzed. Sediment properties, including physical characteristics, strength, consolidation, and permeability were studied to evaluate changes as a function of depth of burial. It was concluded that the sediment profile to the explored depth of 200 m at Walvis Ridge consists of approximately 50 m of foram-nannofossil marl (Subunit 1a) over 64 m of diatom-nannofossil marl (Subunit 1b) over nannofossil marl (Subunit 1c) to the depth explored. All three sediment units appear to be normally consolidated, although some anomalies seem to exist to a depth of 120 m. No distinct differences were found among the sediment properties of the three subunits (1a, 1b, and 1c) identified at this site.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: -19.743935 * Median Longitude: 10.518800 * South-bound Latitude: -19.744300 * West-bound Longitude: 10.518800 * North-bound Latitude: -19.743500 * East-bound Longitude: 10.518800
Date/Time Start: 1980-08-20T00:00:00 * Date/Time End: 1980-08-20T00:00:00
Event(s):
75-532 * Latitude: -19.743500 * Longitude: 10.518800 * Date/Time: 1980-08-20T00:00:00 * Elevation: -1331.0 m * Penetration: 250.8 m * Recovery: 232 m * Location: South Atlantic Ocean * Campaign: Leg75 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 59 cores; 242.8 m cored; 8 m drilled; 95.6 % recovery
75-532A * Latitude: -19.744000 * Longitude: 10.518800 * Date/Time: 1980-08-20T00:00:00 * Elevation: -1331.0 m * Penetration: 199.6 m * Recovery: 161 m * Location: South Atlantic Ocean * Campaign: Leg75 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 42 cores; 182.6 m cored; 17 m drilled; 88.2 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Geotechnical Consortium (1984): (Table 1) Lithologic units, age, lithology and sedimentation rate at DSDP Holes 75-532 and 75-532B. https://doi.org/10.1594/PANGAEA.810280
  2. Geotechnical Consortium (1984): (Table 4) Summary of consolidation and permeability at DSDP Hole 75-532A. https://doi.org/10.1594/PANGAEA.810284
  3. Geotechnical Consortium (1984): (Table 2) Summary of index properties at DSDP Hole 75-532A. https://doi.org/10.1594/PANGAEA.810282
  4. Geotechnical Consortium (1984): (Table 3) UU triaxial test characteristics at DSDP Hole 75-532A. https://doi.org/10.1594/PANGAEA.810283